Read e-book online ActiveMQ in Action PDF

Applications in companies have to speak, most typically performed via messaging. Apache ActiveMQ is an open-source implementation of the Java Message provider (JMS), which supplies messaging in Java applications.

ActiveMQ in Action is an intensive, functional consultant to imposing message-oriented platforms utilizing ActiveMQ and Java. Co-authored by means of one of many major ActiveMQ builders, Bruce Snyder, the e-book begins with the anatomy of a center Java message, then strikes quick via basics together with facts patience, authentication and authorization. Later chapters conceal complex positive aspects corresponding to configuration and function tuning, illustrating each one proposal with a operating real-world inventory portfolio application.

Readers will learn how to combine ActiveMQ with Apache Geronimo and JBoss, and tie into either Java and non-Java applied sciences together with AJAX, .NET, C++, Ruby, and the Spring framework.

buy of the print e-book comes with a proposal of a loose PDF, ePub, and Kindle e-book from Manning. additionally on hand is all code from the book.

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Full-color figures and transparent step by step directions visually make it easier to software with Java.

Quizzes and workouts on the finish of every bankruptcy assist you try your knowledge.

Notes, tips, and Cautions supply similar details, recommendation, and warnings.

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Study Java for Android improvement, 3rd variation, is an replace of a robust promoting ebook that now features a primer on Android app improvement (in bankruptcy 1 and Appendix C, that is dispensed within the book’s code archive). This ebook teaches programmers the fundamental Java language abilities invaluable for successfully deciding on up and utilizing the hot Android SDK platform to construct cellular, embedded, or even computing device apps, particularly online game apps.

Consider the changes necessary when an application must move to a new location. This can happen when new hardware is introduced or the application needs to be moved. With a tightly coupled system design, such movement is difficult because all segments of the application must experience an outage. With an application designed using loose coupling, different segments of the system can be moved independent of one another. Consider a scenario where there are multiple instances of application A and multiple instances of application B, where each instance resides on a different machine.

As the list of adapters grew, so did the versions of each, causing them to become difficult to maintain. Soon the effort required to maintain the adapters outweighed that of the systems themselves. This is where enterprise messaging entered the picture. The purpose of enterprise messaging was to transfer data among disparate systems by sending messages from one system to another. 2 Standalone terminals and applications connecting to a mainframe using many protocols. 20 CHAPTER 2 Understanding message-oriented middleware and JMS  Solutions for remote procedure calls (RPC) such as COM, CORBA, DCE, and EJB  Solutions for event notification, inter-process communication, and message queuing that are baked into operating systems such as FIFO buffers, message queues, pipes, signals, sockets, and others  Solutions for a category of middleware that provides asynchronous, reliable message queuing such as IBM WebSphere MQ, SonicMQ, TIBCO Rendezvous, and Apache ActiveMQ, commonly used for Enterprise Application Integration (EAI) purposes The last category of messaging middleware products is what we’ll discuss here.

Many system architectures use RPC and are successful. But there are numerous disadvantages to such a tightly coupled design: most notable is the higher amount of maintenance required, since even small changes ripple throughout the system architecture. Correct timing between the two applications is a necessity. Both applications must be available at the same time for the request from application one to reach application two B, and for the response to travel from application two to application one C.